HRU for Liferaft; HRU H20 Rafts
The Hammar H20 is the best-selling hydrostatic release unit in the world and it has been saving lives on the oceans for more than 25 years. Its safe, reliable and simple design has earned it more worldwide approvals than any other unit. The Hammar H20 Solas Model is designed for liferafts from 6 up to 150 persons.
The Hammar H20 is a hydrostatic release unit designed to fit liferafts of all shapes and sizes. It is made of glass fiber reinforced nylon, which prevents it from corroding. The Hammar H20 needs no annual service, maintenance or spare parts. You simply install a new one every two years and dispose of the old one. With the environment in mind, the old unit is 97% recyclable.
The white strong rope of Hammar H20 is secured to the deck or liferaft cradle and attached to the liferaft lashing with a slip hook. If the ship sinks the water pressure will, within 4 metres, activate the sharp knife, which cuts the rope and the life raft will float free. As the ship sinks, the liferaft painter line will be stretched and the liferaft starts to inflate. The Red Weak Link™ breaks and survivors can board the floating liferaft.
The Hammar H20 release unit consists of a double looped white rope line, a release mechanism and a Red Weak Link™ (breaking strength 2,2 ± 0,4kN).
For smaller liferafts (from 4 persons and outside SOLAS regulation) we recommend Hammar H20 Small Rafts model with a special weak link, identified by the green lower thimble (breaking strength 1,2 ± 0,4 kN). For life rafts smaller than 4 persons, please contact the liferaft manufacturer.
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